Waneta Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Waneta Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Waneta Lake today is 18.8°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 65°F (18°C) to 68°F (20°C). This is already quite warm water, which is ideal for most people. Swimming becomes comfortable, and prolonged stays in the water do not cause discomfort. This temperature is perfect for family trips and for those who prefer warmer water. It is also comfortable for water sports such as surfing or swimming. It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.
Water Temperature Chart Over the Last 30 Days
Table of Daily Sea Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| SEP 14 | 19.1°C | 20.5°C | |
| SEP 15 | 19.6°C | 20.5°C | |
| SEP 16 | 19.7°C | 20.5°C | |
| SEP 17 | 18.1°C | 20.5°C | |
| SEP 18 | 18.4°C | 20.5°C | |
| SEP 19 | 19.3°C | 20.5°C | |
| SEP 20 | 19.2°C | 20.5°C | |
| SEP 21 | 18.8°C | 20.5°C | |
| SEP 22 | 20.5°C | 18.9°C | |
| SEP 23 | 20.5°C | 19.0°C | |
| SEP 24 | 20.5°C | 19.1°C | |
| SEP 25 | 20.5°C | 19.1°C | |
| SEP 26 | 20.5°C | 19.2°C | |
| SEP 27 | 20.5°C | 19.3°C | |
| SEP 28 | 20.5°C | 19.4°C |
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast
Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.
Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts to enhance accuracy.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 0°C | 4°C | 6°C |
| February | 0°C | 4°C | 7°C |
| March | 0°C | 3°C | 6°C |
| April | 2°C | 8°C | 14°C |
| May | 8°C | 16°C | 22°C |
| June | 14°C | 19°C | 24°C |
| July | 20°C | 24°C | 27°C |
| August | 20°C | 25°C | 29°C |
| September | 16°C | 21°C | 25°C |
| October | 13°C | 16°C | 18°C |
| November | 6°C | 11°C | 16°C |
| December | 1°C | 5°C | 8°C |
Waneta Lake: Water Temperature by Location
Waneta Lake: Weather Forecast
September 21
September 22
September 23
September 24
September 25
Location & Local Information
Lake Waneta, like many small inland lakes in upstate New York, shows clear seasonal swings in surface temperature. In spring the lake typically warms from roughly 40–60°F (4–16°C) as air temperatures rise and stratification begins. Peak summer surface temperatures are usually in the mid‑60s to upper‑70s °F (about 18–26°C), though shallow bays can occasionally reach the low 80s°F (around 27–28°C) on hot, calm days. By autumn the water cools back into the 45–60°F range (7–16°C) as overturn mixes the lake, and in winter the surface approaches freezing, often around 32°F (0°C) when ice forms. Deeper water remains substantially colder through summer because of thermocline development, so temperatures can vary significantly with depth and location.
Swimming is commonly practiced in the warmer months where there is legal access and no posted advisories; the activity is generally allowed unless a local ordinance, private ownership, or a water‑quality notice prohibits it. Bathing is most comfortable during the July–August period when surface temperatures are highest, but swimmers should be mindful of cold water at depth, sudden temperature changes, and occasional algae or bacterial advisories. Ice and near‑freezing water in winter make swimming unsafe except for supervised, specialized events with safety measures in place.